Math, asked by shinyshreyas267, 10 months ago

find the sum of first 20 terms of arthmetic series 2+7+12+..... using suitable formula

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Answered by BrainlyTornado

1

here is ur answer.....

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Answered by Wani010

0

Answer:

Your answer friend:

Sn=20/2 x (4+(19)5) =10(4+95)=10x99=990

Step-by-step explanation:

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